<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="名称" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['system:attrValue:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate" v-hasPermi="['system:attrValue:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete" v-hasPermi="['system:attrValue:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport" v-hasPermi="['system:attrValue:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="attrValueList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="主键 ID" align="center" prop="attrValueId" />
      <el-table-column label="名称" align="center" prop="name" />
      <el-table-column label="值" align="center" prop="value" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.value" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="属性ID" align="center" prop="attrId" />
      <el-table-column label="属性名称" align="center" prop="attrName" />
      <el-table-column label="创作者" align="center" prop="createUserName" />
      <el-table-column label="创造者id" align="center" prop="createUserId" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)" v-hasPermi="['system:attrValue:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)" v-hasPermi="['system:attrValue:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改属性值对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="属性">
          <el-select v-model="attrId" filterable placeholder="请选择">
            <el-option v-for="item in attrList" :key="item.attrId" :label="item.name" :value="item.attrId">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入名称" />
        </el-form-item>
        <el-form-item label="值" prop="value">
          <image-upload v-model="form.value" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="创作者">
          <el-input v-model="form.createUserName" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="创作者id">
          <el-input v-model="form.createUserId" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listAttr } from "@/api/system/attr";
import { listAttrValue, getAttrValue, delAttrValue, addAttrValue, updateAttrValue } from "@/api/system/attrValue";

export default {
  name: "AttrValue",
  data () {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 属性值表格数据
      attrValueList: [],
      attrList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      attrId: null,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        value: null,
        remark: null,
        attrId: null,
        attrName: null,
        createUserName: null,
        createUserId: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        name: [
          { required: true, message: "名称不能为空", trigger: "blur" }
        ],
        value: [
          { required: true, message: "值不能为空", trigger: "blur" }
        ],
        attrId: [
          { required: true, message: "属性ID不能为空", trigger: "change" }
        ],
        attrName: [
          { required: true, message: "属性名称不能为空", trigger: "change" }
        ],
        createUserName: [
          { required: true, message: "创作者不能为空", trigger: "change" }
        ],
        createUserId: [
          { required: true, message: "创造者id不能为空", trigger: "change" }
        ]
      }
    };
  },
  watch: {
    attrId (newVal, oldVal) {
      if (newVal !== oldVal) { // 确保值确实发生了变化  
        const attrIdItem = this.attrList.find(item => item.attrId === newVal);
        if (attrIdItem) {
          this.form.attrId = attrIdItem.attrId
          this.form.attrName = attrIdItem.name
        }
      }
    },
  },
  created () {
    this.getList();
    this.getAttr();
  },
  methods: {
    /** 查询属性值列表 */
    getList () {
      this.loading = true;
      listAttrValue(this.queryParams).then(response => {
        this.attrValueList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 查询属性列表 */
    getAttr () {
      listAttr(this.queryParams).then(response => {
        this.attrList = response.rows;

      });
    },
    // 取消按钮
    cancel () {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset () {
      this.form = {
        attrValueId: null,
        name: null,
        value: null,
        remark: null,
        attrId: null,
        attrName: null,
        createUserName: null,
        createUserId: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery () {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery () {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange (selection) {
      this.ids = selection.map(item => item.attrValueId)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd () {
      this.reset();
      this.open = true;
      this.title = "添加属性值";
    },
    /** 修改按钮操作 */
    handleUpdate (row) {
      this.reset();
      const attrValueId = row.attrValueId || this.ids
      getAttrValue(attrValueId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改属性值";
      });
    },
    /** 提交按钮 */
    submitForm () {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.attrValueId != null) {
            updateAttrValue(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addAttrValue(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete (row) {
      const attrValueIds = row.attrValueId || this.ids;
      this.$modal.confirm('是否确认删除属性值编号为"' + attrValueIds + '"的数据项？').then(function () {
        return delAttrValue(attrValueIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => { });
    },
    /** 导出按钮操作 */
    handleExport () {
      this.download('system/attrValue/export', {
        ...this.queryParams
      }, `attrValue_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
